Synthesis of organophosphinyloxyaluminoxanodimethylsiloxane elastomers
β Scribed by K.A Andrianov; G.P Marfenkova; L.M Khananashvili; A.S Shapatin
- Book ID
- 118356937
- Publisher
- Elsevier Science
- Year
- 1964
- Weight
- 417 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0032-3950
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## Abstract The synthesis is described of some acrylate based polymers containing both a mesogenic group (4βcyanophenyl benzoate) connected to the polymer backbone by a flexible spacer, and varying degrees of crosslinking, introduced by copolymerization. Optical and calorimetric techniques are used
Novel type of mesogenic chain extenders used in this study are N,NΠ-bis(4hydroxyphenyl)-3,4,3Π,4Π-biphenyldicarboxyimide (BPDI) and N, NΠ-bis[4-(6-hydroxyhexyloxy) phenyl]-3,4,3Π,4Π-biphenyldicarboxyimide (BHDI). BHDI has a flexible spacer of 6-methylene units but BPDI does not. The liquid crystalli